Cisco 2651XM Software Configuration Guide - Page 31
Cisco 3745 Router Slot Numbering
UPC - 746320731841
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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics Understanding Interface Numbering • 3 slots in which you can install WAN or voice interface cards • 4 network module slots. Cisco 3745 Router Slot Numbering The numbering format in the Cisco 3745 router is Interface type Slot number/Interface number. Two examples are: FastEthernet 0/0 Serial 1/2. The slot numbers are as follows: • 0 for all built-in interfaces • 0 for all WIC interfaces • 1 for the lower right network module slot • 2 for the lower left network module slot • 3 for the upper right network module slot • 4 for the upper left network module slot If double-wide network modules are installed, the slot numbers are as follows: • 2 for the lower double-wide slot • 4 for the upper double-wide slot Interface (port) numbers begin at 0 for each interface type, and continue from right to left and (if necessary) from bottom to top. Figure 1-11 shows the rear panel of the Cisco 3745 with: • A WIC in each of the three WAN interface card slots • A single-width network module in each of the four network module slots • Two AC power supplies OL-1957-04 Software Configuration Guide For Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers 1-11